Rewrite the title: WHO slams US-funded newborn vaccine trial as "unethical" and make it simple, factual, and clear, while removing unnecessary adjectives, sensationalism, or bias. Keep them short (under 12 words when possible) and focused on the core fact of the article. Do not add speculation or opinion. Always prioritize accuracy and readability

The World Health Organization

has condemned a US-funded vaccine trial in Guinea-Bissau as “unethical” for withholding a safe hepatitis B vaccine from newborns. The WHO stated that the trial violates established ethical and scientific principles, citing various harmful aspects. Health experts have criticized the trial since the funding announcement by the Centers for Disease Control and Prevention, which awarded $1.6 million to Danish researchers. The situation has raised significant ethical concerns in the medical community.

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